CN111794143A - Communication engineering is with warning device convenient to maintain - Google Patents
Communication engineering is with warning device convenient to maintain Download PDFInfo
- Publication number
- CN111794143A CN111794143A CN202010557737.9A CN202010557737A CN111794143A CN 111794143 A CN111794143 A CN 111794143A CN 202010557737 A CN202010557737 A CN 202010557737A CN 111794143 A CN111794143 A CN 111794143A
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- block
- groove
- fixedly connected
- connecting block
- support rod
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/65—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection with rotatable, swingable or adjustable signs or signals
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- Engineering & Computer Science (AREA)
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- Structural Engineering (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a warning device convenient to maintain for communication engineering, which comprises a warning board and a connecting mechanism, wherein a first support rod is arranged at the bottom end of the warning board, the connecting mechanism comprises a first connecting block, the first connecting block is fixedly connected to the surface of the bottom end of the warning board, the surface of the top end of the first support rod is fixedly connected with a second connecting block, the surface of the bottom end of the first connecting block is provided with a connecting groove, and the surface of the top end of the second connecting block is fixedly connected with a rotating block; compared with the prior art, the invention has the beneficial effects that: through having designed coupling mechanism, can be connected warning sign and first vaulting pole and dismantle, adopt the buckle formula to be connected, packaging efficiency promotes greatly, can maintain alone after convenient this device damages, reduce cost, and the warning sign is connected the back with first vaulting pole, and the angle of warning sign still can rotate, and the stopper can slide in the ring channel inboard, can be according to the angle of actual conditions adjustment warning sign show, convenient warning.
Description
Technical Field
The invention belongs to the technical field of warning devices, and particularly relates to a communication engineering warning device convenient to maintain.
Background
The communication engineering is an important branch of electronic engineering, electronic information category and specialty, and is also a basic subject thereof, the subject is a field of rapid and active development of information science and technology, especially digital mobile communication, optical fiber communication and network communication make people achieve unprecedented convenience in information transmission and information acquisition, the communication engineering is an important branch of electronic engineering, electronic information sub-specialty and one of the basic subjects, the subject focuses on the principle and application of information transmission and signal processing in the communication process, and the subject can study the knowledge in the aspects of communication technology, communication system, communication network and the like, and can research, design, manufacture and operate in the communication field and develop and apply the communication technology and equipment in the departments of national economy and defense industry; the subject is a field with rapid and active information science and technology development, especially digital mobile communication, optical fiber communication and Internet network communication enable people to achieve unprecedented convenience in information transmission and information acquisition, communication engineering has a very wide development prospect, and the subject is one of major shortages of talents.
The existing warning device is inconvenient to carry due to large size, the whole device is fixedly connected, when the angle of the warning plate is adjusted, the whole device needs to be integrally moved, the warning device is troublesome, and the whole device needs to be integrally replaced after being damaged, so that the cost is increased.
Disclosure of Invention
The invention aims to provide a warning device for communication engineering, which is convenient to maintain and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a warning device convenient to maintain for communication engineering comprises a warning board and a connecting mechanism, wherein a first supporting rod is arranged at the bottom end of the warning board, the connecting mechanism comprises a first connecting block, the first connecting block is fixedly connected to the surface of the bottom end of the warning board, a second connecting block is fixedly connected to the surface of the top end of the first supporting rod, a connecting groove is formed in the surface of the bottom end of the first connecting block, a rotating block is fixedly connected to the surface of the top end of the second connecting block, the rotating block is positioned on the inner side of the connecting groove, first limiting sliding grooves are formed in the two end surfaces of the outer side of the rotating block respectively, a first spring is fixedly connected to the inner side of each first limiting sliding groove, one end of each first spring is fixedly connected with a limiting block, a circular groove is formed in the inner side of each connecting groove, one end of each limiting, the rotating groove is formed in the surface of the outer side of the second connecting block, the rotating rod is rotatably connected to the inner side of the rotating groove, the limiting blocks are located at the inner end of the first limiting sliding groove, the pull rope is fixedly connected to the inner end of the first limiting sliding groove, and one end of the pull rope penetrates through the inner side of the wire groove and is fixedly connected with the rotating rod.
Preferably, still include stop gear, stop gear includes spacing slider, spacing slider is in the second connecting block outside, the spacing spout of second has been seted up to second connecting block outside surface, spacing slider one end is in the spacing spout of second inboard, the inboard fixedly connected with second spring of the spacing spout of second, spacing slider is in the spacing fixture block of second connecting block outside top fixedly connected with, spacing draw-in groove has been seted up to first connecting block outside surface, just the spacing draw-in groove of spacing fixture block is inboard.
Preferably, still include tilting mechanism, tilting mechanism includes the second vaulting pole, the second vaulting pole is in first vaulting pole bottom, the cell body has been seted up on second vaulting pole top surface, first vaulting pole bottom fixed surface is connected with the second pivot, the second pivot is in the cell body inboard, first vaulting pole all is provided with the limiting plate with second vaulting pole junction outside both ends, limiting plate one end is rotated with the junction of second vaulting pole and is connected with first pivot, first vaulting pole outer fixed surface is connected with the screw rod, U type groove has been seted up to limiting plate top side surface, screw rod one end runs through U type inslot side, the screw rod is in limiting plate outside one end and has cup jointed the nut.
Preferably, the two first limiting sliding grooves are communicated with a wire groove, and the wire groove is communicated with the rotary groove.
Preferably, the section of the annular groove is circular, and the section of the connecting groove is circular.
Preferably, a rotating block is fixedly connected to the surface of one end of the rotating rod and is located on the outer side surface of the second connecting block.
Preferably, the first connecting block is of a cylindrical structure, and the limiting clamping grooves are annularly distributed around the outer side of the first connecting block.
Preferably, the surface of one end, positioned on the outer side of the second connecting block, of the limiting sliding block is fixedly connected with a pulling block, and anti-skid grains are formed in the surface of the outer side of the pulling block.
Preferably, the cross section of the limiting sliding block is of an L-shaped structure, and two ends of the second spring are fixedly connected with the second limiting sliding groove and the limiting sliding block.
Preferably, an opening is formed in one side of the U-shaped groove, and the cross section of the U-shaped groove is of a U-shaped structure.
Compared with the prior art, the invention has the beneficial effects that:
(1) through having designed coupling mechanism, can be connected warning sign and first vaulting pole and dismantle, adopt the buckle formula to be connected, packaging efficiency promotes greatly, can maintain alone after convenient this device damages, reduce cost, and the warning sign is connected the back with first vaulting pole, and the angle of warning sign still can rotate, and the stopper can slide in the ring channel inboard, can be according to the angle of actual conditions adjustment warning sign show, convenient warning.
(2) Through having designed stop gear, after the angle of adjustment warning sign, through spacing draw-in groove inboard of spacing fixture block, can realize the fixed of warning sign position, spacing draw-in groove is the annular around the first connecting block outside and distributes, and convenient adjustment arbitrary angle can all be fixed.
(3) Through having designed tilting mechanism, this device can make things convenient for the staff to accomodate and carry first vaulting pole and second vaulting pole fifty percent discount when not using, sets up to two through the quantity of limiting plate, improves the stability of fixed first vaulting pole, prevents that first vaulting pole from taking place to rock.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connecting block structure of the present invention;
FIG. 3 is a partially enlarged view of the connecting block of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2 at A according to the present invention;
FIG. 5 is an enlarged view of a portion of the stay bar of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5 at B according to the present invention;
in the figure: 1. a warning board; 2. a first connection block; 3. a second connecting block; 4. a first stay bar; 5. a second stay bar; 6. rotating the block; 7. connecting grooves; 8. a screw; 9. a first limiting chute; 10. a first spring; 11. a limiting block; 12. a U-shaped groove; 13. an annular groove; 14. pulling a rope; 15. a wire slot; 16. groove turning; 17. a rotating rod; 18. a limiting clamping groove; 19. a limiting clamping block; 20. a limiting slide block; 21. a second spring; 22. a second limiting chute; 23. a limiting plate; 24. a first rotating shaft; 25. a nut; 26. a trough body; 27. A second rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: a warning device convenient to maintain for communication engineering comprises a warning board 1 and a connecting mechanism, wherein a first support rod 4 is arranged at the bottom end of the warning board 1, the connecting mechanism comprises a first connecting block 2, the first connecting block 2 is fixedly connected to the surface of the bottom end of the warning board 1, a second connecting block 3 is fixedly connected to the surface of the top end of the first support rod 4, a connecting groove 7 is formed in the surface of the bottom end of the first connecting block 2, a rotating block 6 is fixedly connected to the surface of the top end of the second connecting block 3, the rotating block 6 is positioned on the inner side of the connecting groove 7, first limiting sliding grooves 9 are formed in the two end surfaces of the outer side of the rotating block 6, a first spring 10 is fixedly connected to the inner side of each first limiting sliding groove 9, a limiting block 11 is fixedly connected to one end of each first spring 10, an annular groove 13 is formed in the inner side of each connecting groove 7, the turn trough 16 has been seted up on 3 outside surfaces of second connecting block, the 16 inboard rotations in turn trough are connected with the bull stick 17, two stopper 11 are in the equal fixedly connected with stay cord 14 of the inboard one end of first spacing spout 9, and stay cord 14 one end runs through wire casing 15 inboards and bull stick 17 fixed connection, can be connected warning sign 1 and first vaulting pole 4 and dismantle, adopt the buckle formula to connect, packaging efficiency promotes greatly, can maintain alone after convenient this device damages, the cost is reduced, warning sign 1 is connected the back with first vaulting pole 4, warning sign 1's angle still can rotate, stopper 11 can slide in ring channel 13 inboard, can adjust the angle of warning sign 1 show according to actual conditions, convenient warning.
In order to facilitate the installation of the limiting mechanism, after the angle of the warning board 1 is adjusted, the limiting fixture block 19 is clamped on the inner side of the limiting fixture groove 18, the position of the warning board 1 can be fixed, the limiting clamping grooves 18 are distributed annularly around the outer side of the first connecting block 2, and any angle can be conveniently adjusted and fixed, preferably, still include stop gear, stop gear includes limiting slide block 20, limiting slide block 20 is in the 3 outsides of second connecting block, the spacing spout 22 of second has been seted up to the 3 outside surfaces of second connecting block, limiting slide block 20 one end is in the spacing spout 22 inboards of second, the inboard fixedly connected with second spring 21 of the spacing spout 22 of second, limiting slide block 20 is in the spacing fixture block 19 of 3 outside top fixedly connected with of second connecting block, spacing draw-in groove 18 has been seted up to the 2 outside surfaces of first connecting block, and the spacing draw-in groove 18 of spacing fixture block 19 block is inboard.
In order to facilitate installation of the turnover mechanism, the device can fold the first support rod 4 and the second support rod 5 in half when not in use, so as to facilitate storage and carrying of workers, the number of the limiting plates 23 is two, so as to improve the stability of fixing the first support rod 4 and prevent the first support rod 4 from shaking, in the embodiment, the turnover mechanism is preferably further included, the turnover mechanism comprises the second support rod 5, the second support rod 5 is arranged at the bottom end of the first support rod 4, the surface of the top end of the second support rod 5 is provided with a groove body 26, the surface of the bottom end of the first support rod 4 is fixedly connected with a second rotating shaft 27, the second rotating shaft 27 is arranged at the inner side of the groove body 26, the limiting plates 23 are arranged at the two ends of the outer side of the joint of the first support rod 4 and the second support rod 5, the joint of one end of the limiting plate 23 and the second support rod 5 is rotatably connected with a first rotating, a U-shaped groove 12 is formed in the surface of one side of the top end of the limiting plate 23, one end of the screw rod 8 penetrates through the inner side of the U-shaped groove 12, and a nut 25 is sleeved at one end, located on the outer side of the limiting plate 23, of the screw rod 8.
In order to facilitate the installation of the pulling rope 14, in the embodiment, preferably, the two first limiting sliding grooves 9 are communicated with the wire groove 15, and the wire groove 15 is communicated with the rotating groove 16.
In order to facilitate the rotation of the warning board 1, in the present embodiment, it is preferable that the annular groove 13 has a circular cross section, and the connecting groove 7 has a circular cross section.
In order to facilitate the rotation of the rotating rod 17, in the present embodiment, it is preferable that a rotating block is fixedly connected to one end surface of the rotating rod 17, and the rotating block is located on the outer side surface of the second connecting block 3.
In order to fix after adjusting suitable angle for the convenience of warning sign 1, in this embodiment, it is preferred that first connecting block 2 sets up to the cylinder structure, and spacing draw-in groove 18 is the annular around the first connecting block 2 outside and distributes.
In order to facilitate the pulling of the first connecting block 2 to move towards the outside, in the embodiment, preferably, the limiting sliding block 20 is located at one end of the outside of the second connecting block 3, the surface of the outer side of the limiting sliding block is fixedly connected with the pulling block, and the surface of the outer side of the pulling block is provided with anti-sliding grains.
In order to facilitate installation of the limiting slide block 20, in this embodiment, preferably, the cross section of the limiting slide block 20 is in an "L" shape, and both ends of the second spring 21 are fixedly connected to the second limiting sliding groove 22 and the limiting slide block 20.
In order to facilitate the screw 8 to be clamped into the U-shaped groove 12, in this embodiment, preferably, an opening is formed at one side of the U-shaped groove 12, and the cross section of the U-shaped groove 12 is in a U-shaped structure.
The working principle and the using process of the invention are as follows: after the device is completed, when the device needs to be assembled, the first support rod 4 is firstly turned upwards, the first support rod 4 drives the second rotating shaft 27 to rotate along the inner side of the groove body 26, when the first support rod 4 and the second support rod 5 are positioned on the same horizontal line, the limiting plate 23 is turned around the outer side of the first rotating shaft 24 until one end of the screw rod 8 is positioned on the inner side of the U-shaped groove 12, the nut 25 is used for screwing and fixing, then the other limiting plate 23 is used for repeating the steps for fixing, at the moment, the position of the first support rod 4 is fixed, and through the design of the turning mechanism, the device can fold the first support rod 4 and the second support rod 5 in half when not in use, so that the device is convenient for workers to store and carry, the number of the limiting plates 23 is two, the stability of fixing the first support rod 4 is improved, and the first support rod 4 is prevented from shaking; when the warning board 1 is required to be connected with the first supporting rod 4, the rotating block is rotated, the rotating block drives the rotating rod 17 to rotate on the inner side of the rotating groove 16, the rotating rod 17 rotates to wind the pulling rope 14 on the surface, the pulling rope 14 pulls the two limiting blocks 11 towards the inner side of the first limiting sliding groove 9, the first spring 10 is stressed to contract, the two limiting blocks 11 are completely positioned on the inner sides of the two first limiting sliding grooves 9, then the pulling block is pulled towards one side, the pulling block drives the limiting sliding block 20 to move outwards along the second limiting sliding groove 22, the second spring 21 is stressed to expand, then the rotating block 6 is placed into the connecting groove 7, the rotating block and the pulling block are respectively loosened, at the moment, the first spring 10 is not stressed to push the limiting blocks 11 to return to the original position, one end of the limiting blocks 11 is positioned on the inner side of the annular groove 13, the second spring 21 is not stressed to rebound, the second limiting sliding groove 22 is pulled to, after the installation is finished, the warning board 1 and the first support rod 4 can be connected and disassembled by designing the connecting mechanism, the assembly efficiency is greatly improved by adopting the buckle type connection, after the warning board 1 is connected with the first support rod 4, the angle of the warning board 1 can also rotate, the limiting block 11 can slide in the inner side of the annular groove 13, the angle displayed by the warning board 1 can be adjusted according to the actual condition, and the warning is convenient; through having designed spacing mechanism, after the angle of adjustment warning sign 1, through spacing draw-in groove 18 inboards of 19 block of spacing fixture block, can realize the fixed of warning sign 1 position, spacing draw-in groove 18 is the annular around the 2 outsides of first connecting block and distributes, and convenient arbitrary angle of adjustment can all be fixed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a communication engineering is with warning device convenient to maintain, includes warning sign (1) and coupling mechanism, its characterized in that: the bottom end of the warning board (1) is provided with a first supporting rod (4), the connecting mechanism comprises a first connecting block (2), the first connecting block (2) is fixedly connected to the bottom end surface of the warning board (1), the top end surface of the first supporting rod (4) is fixedly connected with a second connecting block (3), the bottom end surface of the first connecting block (2) is provided with a connecting groove (7), the top end surface of the second connecting block (3) is fixedly connected with a rotating block (6), the rotating block (6) is positioned at the inner side of the connecting groove (7), two end surfaces of the outer side of the rotating block (6) are respectively provided with a first limiting sliding groove (9), the inner side of the first limiting sliding groove (9) is fixedly connected with a first spring (10), one end of the first spring (10) is fixedly connected with a limiting block (11), and the inner side of the connecting groove (7) is provided, stopper (11) one end is in ring channel (13) inboard, both sides wire casing (15) have all been seted up to first spacing spout (9) inboard one end, turn trough (16) have been seted up on second connecting block (3) outside surface, turn trough (16) inboard rotation is connected with bull stick (17), two stopper (11) are in the equal fixedly connected with stay cord (14) of first spacing spout (9) inboard one end, just stay cord (14) one end runs through wire casing (15) inboard and bull stick (17) fixed connection.
2. The warning device for communication engineering convenient maintenance according to claim 1, characterized in that: still include stop gear, stop gear includes stop block (20), stop block (20) are in the second connecting block (3) outside, the spacing spout (22) of second have been seted up to second connecting block (3) outside surface, stop block (20) one end is in the spacing spout (22) of second inboard, the inboard fixedly connected with second spring (21) of the spacing spout (22) of second, stop block (20) are in the spacing fixture block (19) of second connecting block (3) outside top fixedly connected with, spacing draw-in groove (18) have been seted up to first connecting block (2) outside surface, just spacing draw-in groove (18) of spacing fixture block (19) block are inboard.
3. The warning device for communication engineering convenient maintenance according to claim 1, characterized in that: the turnover mechanism also comprises a turnover mechanism, the turnover mechanism comprises a second support rod (5), the second support rod (5) is positioned at the bottom end of the first support rod (4), the top end surface of the second support rod (5) is provided with a groove body (26), the bottom end surface of the first support rod (4) is fixedly connected with a second rotating shaft (27), the second rotating shaft (27) is positioned at the inner side of the groove body (26), the two ends of the outer side of the joint of the first support rod (4) and the second support rod (5) are respectively provided with a limit plate (23), a first rotating shaft (24) is rotatably connected at the joint of one end of the limiting plate (23) and the second support rod (5), the outer surface of the first support rod (4) is fixedly connected with a screw rod (8), one side surface of the top end of the limit plate (23) is provided with a U-shaped groove (12), one end of the screw rod (8) penetrates through the inner side of the U-shaped groove (12), and the nut (25) is sleeved at one end, located on the outer side of the limiting plate (23), of the screw rod (8).
4. The warning device for communication engineering convenient maintenance according to claim 1, characterized in that: two first spacing spout (9) and wire casing (15) intercommunication, wire casing (15) and rotary groove (16) intercommunication.
5. The warning device for communication engineering convenient maintenance according to claim 1, characterized in that: the section of the annular groove (13) is circular, and the section of the connecting groove (7) is circular.
6. The warning device for communication engineering convenient maintenance according to claim 1, characterized in that: and a rotating block is fixedly connected to the surface of one end of the rotating rod (17), and is positioned on the outer side surface of the second connecting block (3).
7. The warning device for communication engineering convenient maintenance according to claim 2, characterized in that: first connecting block (2) set up to the cylinder structure, spacing draw-in groove (18) are the annular around first connecting block (2) outside and distribute.
8. The warning device for communication engineering convenient maintenance according to claim 2, characterized in that: the limiting sliding block (20) is located at one end of the outer side of the second connecting block (3), the surface of the end is fixedly connected with a pulling block, and anti-skid grains are formed in the surface of the outer side of the pulling block.
9. The warning device for communication engineering convenient maintenance according to claim 2, characterized in that: the cross section of the limiting sliding block (20) is of an L-shaped structure, and both ends of the second spring (21) are fixedly connected with the second limiting sliding groove (22) and the limiting sliding block (20).
10. The warning device for communication engineering convenient maintenance according to claim 3, characterized in that: an opening is formed in one side of the U-shaped groove (12), and the section of the U-shaped groove (12) is of a U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010557737.9A CN111794143A (en) | 2020-06-18 | 2020-06-18 | Communication engineering is with warning device convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010557737.9A CN111794143A (en) | 2020-06-18 | 2020-06-18 | Communication engineering is with warning device convenient to maintain |
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| Publication Number | Publication Date |
|---|---|
| CN111794143A true CN111794143A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010557737.9A Pending CN111794143A (en) | 2020-06-18 | 2020-06-18 | Communication engineering is with warning device convenient to maintain |
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| Country | Link |
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| CN (1) | CN111794143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232527A (en) * | 2021-12-20 | 2022-03-25 | 国网吉林省电力有限公司建设分公司 | Electric power construction safety warning device |
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|---|---|---|---|---|
| JPH09170207A (en) * | 1995-12-21 | 1997-06-30 | Infomex:Kk | Elevatable rotary type road traffic-control sign |
| FR2930366A1 (en) * | 2008-04-17 | 2009-10-23 | Jean Paul Lacroix | Display cover i.e. transparent plastic sheet, for suspending advertisement poster in e.g. supermarket, has stake whose strip is inserted in openings to maneuver cover from bottom position to top position and vice versa for changing poster |
| CN207405519U (en) * | 2017-11-16 | 2018-05-25 | 东莞市成威反光材料有限公司 | A kind of warning reflection Sign Board |
| CN208533401U (en) * | 2017-12-27 | 2019-02-22 | 浙江富中联电力科技有限公司 | A kind of dedicated adjustable safety direction board of safety-security area |
| CN208759634U (en) * | 2018-07-26 | 2019-04-19 | 江苏四海消防器材有限公司 | A kind of portable folding fireman's axe |
| CN110481446A (en) * | 2019-07-30 | 2019-11-22 | 安徽泗州拖拉机制造有限公司 | A kind of driverless tractor long-distance monitorng device |
| CN209893065U (en) * | 2019-03-17 | 2020-01-03 | 江苏神州半导体科技有限公司 | Digital controller for radio frequency power supply |
-
2020
- 2020-06-18 CN CN202010557737.9A patent/CN111794143A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09170207A (en) * | 1995-12-21 | 1997-06-30 | Infomex:Kk | Elevatable rotary type road traffic-control sign |
| FR2930366A1 (en) * | 2008-04-17 | 2009-10-23 | Jean Paul Lacroix | Display cover i.e. transparent plastic sheet, for suspending advertisement poster in e.g. supermarket, has stake whose strip is inserted in openings to maneuver cover from bottom position to top position and vice versa for changing poster |
| CN207405519U (en) * | 2017-11-16 | 2018-05-25 | 东莞市成威反光材料有限公司 | A kind of warning reflection Sign Board |
| CN208533401U (en) * | 2017-12-27 | 2019-02-22 | 浙江富中联电力科技有限公司 | A kind of dedicated adjustable safety direction board of safety-security area |
| CN208759634U (en) * | 2018-07-26 | 2019-04-19 | 江苏四海消防器材有限公司 | A kind of portable folding fireman's axe |
| CN209893065U (en) * | 2019-03-17 | 2020-01-03 | 江苏神州半导体科技有限公司 | Digital controller for radio frequency power supply |
| CN110481446A (en) * | 2019-07-30 | 2019-11-22 | 安徽泗州拖拉机制造有限公司 | A kind of driverless tractor long-distance monitorng device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232527A (en) * | 2021-12-20 | 2022-03-25 | 国网吉林省电力有限公司建设分公司 | Electric power construction safety warning device |
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Application publication date: 20201020 |